19836240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82651}}^1$

素因数の和:82667

約数の個数: 40

約数和(自身を含む): 61493088

約数和(自身を除く): 41656848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82651, 165302, 247953, 330604, 413255, 495906, 661208, 826510, 991812, 1239765, 1322416, 1653020, 1983624, 2479530, 3306040, 3967248, 4959060, 6612080, 9918120, 19836240]

約数ペア:

[(1, 19836240), (2, 9918120), (3, 6612080), (4, 4959060), (5, 3967248), (6, 3306040), (8, 2479530), (10, 1983624), (12, 1653020), (15, 1322416), (16, 1239765), (20, 991812), (24, 826510), (30, 661208), (40, 495906), (48, 413255), (60, 330604), (80, 247953), (120, 165302), (240, 82651)]